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Clarified Javadoc.

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This commit is contained in:
Sergey Prigogin 2011-09-01 12:10:36 -07:00
parent e6d138a358
commit 77a94b7f64
1 changed files with 16 additions and 4 deletions
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20
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/parser/util/ArrayUtil.java
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@ -210,7 +210,14 @@ public abstract class ArrayUtil {
} }
/** /**
* Assumes that both arrays contain nulls at the end, only. * Takes contents of the two arrays up to the first <code>null</code> element and concatenates
* them.
* @param c The type of the element of the returned array if there was not enough free space
* in the destination array.
* @param dest The destination array. The elements of the source array are added to this array
* if there is enough free space in it. May be <code>null</code>.
* @param source The source array. May not be <code>null</code>.
* @return The concatenated array, which may be the same as the first parameter.
*/ */
public static Object[] addAll(Class<?> c, Object[] dest, Object[] source) { public static Object[] addAll(Class<?> c, Object[] dest, Object[] source) {
if (source == null || source.length == 0) if (source == null || source.length == 0)
@ -246,8 +253,12 @@ public abstract class ArrayUtil {
} }
/** /**
* Concatenates two arrays skipping <code>null</code> elements. * Takes contents of the two arrays up to the first <code>null</code> element and concatenates
* Assumes that both arrays contain <code>null</code>s at the end, only. * them.
* @param dest The destination array. The elements of the source array are added to this array
* if there is enough free space in it. May be <code>null</code>.
* @param source The source array. May not be <code>null</code>.
* @return The concatenated array, which may be the same as the first parameter.
* @since 5.2 * @since 5.2
*/ */
@SuppressWarnings("unchecked") @SuppressWarnings("unchecked")
@ -264,7 +275,8 @@ public abstract class ArrayUtil {
} }
if (dest == null || dest.length == 0) { if (dest == null || dest.length == 0) {
Class<? extends Object> c = dest != null ? dest.getClass().getComponentType() : source.getClass().getComponentType(); Class<? extends Object> c = dest != null ?
dest.getClass().getComponentType() : source.getClass().getComponentType();
dest = (T[]) Array.newInstance(c, numToAdd); dest = (T[]) Array.newInstance(c, numToAdd);
System.arraycopy(source, 0, dest, 0, numToAdd); System.arraycopy(source, 0, dest, 0, numToAdd);
return dest; return dest;